Intel Xeon E5649 vs Intel Xeon Platinum 8256

Table of Contents

Physical Specifications

Socket Intel Socket 1366 Intel Socket 3647
Foundry Intel Intel
Process size 32 nm 14 nm
Transistors 1,170 million 8,000 million
Die size 239 mm² unknown
Package FC-LGA10 FC-LGA3647

Performance

Frequency 2.533 GHz 3.8 GHz
Turbo clock up to 2.8 GHz up to 3.9 GHz
Base clock 133 MHz 100 MHz
Multiplier 19.0x 38.0x
Multiplier unlocked No No
Voltage 1.35 V
TDP 80 W 105 W

Architecture Details

Vertical Segment Server/Workstation Server/Workstation
Production status End-of-life unknown
Release date Feb 14th, 2011 Dec 11th, 2018
Codename Westmere-EP Cascade Lake-SP
Generation Xeon Xeon Platinum
Part SLBZ8 SRF94CD8069504194701
Memory support DDR3 Triple-channel DDR4
ECC memory Yes Yes
PCI Express Gen 2

Cores

Total Cores 6 4
Total Threads 12 8
SMP # CPUs 2 8
Integrated graphics

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 1MB (per core)
Cache L3 12MB (shared) 16.5MB (shared)

Features & Technologies

5.86GT/s QPI Yes
AES-NI Yes Yes
AVX Yes
AVX2 Yes
BMI1 Yes
BMI2 Yes
ECC Yes
EIST Yes Yes
F16C Yes
FMA3 Yes
HTT Yes Yes
Intel 64 Yes Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.2 Yes Yes
SSSE3 Yes Yes
TXT Yes Yes
VT-d Yes
VT-x Yes Yes
XD bit Yes
XD-Bit Yes
vPro Yes
x8 SDDC Yes

Compare

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